When Does Winter Start Usa -

Astronomically, winter begins on the winter solstice, which usually falls on December 21 or 22 in the Northern Hemisphere. This date marks the shortest day of the year and the beginning of the lengthening of days. In the Southern Hemisphere, the winter solstice falls on June 20 or 21.

Confused? Don't worry. Here is the breakdown of when winter officially begins in the United States and why there are two dates to begin with. when does winter start usa